Home / 986,727.22-1,361,693.68-578,836.01

Finding the Fourth Proportional to 986,727.22, 1,361,693.68 and 578,836.01

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Solution

The fourth proportional to 986,727.22, 1,361,693.68 and 578,836.01 is: 798,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,727.22 : 1,361,693.68 = 578,836.01 : x
  2. Step 2: Convert to fraction form
    986,727.22/1,361,693.68 = 578,836.01/x
  3. Step 3: Cross multiply
    986,727.22x = 1,361,693.68 × 578,836.01
  4. Step 4: Simplify right side
    986,727.22x = 788,197,334,126.99
  5. Step 5: Solve for x
    x = 788,197,334,126.99/986,727.22
  6. Step 6: Final answer
    x = 798,799.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.